#include?
#include?
#include?
#include?
#include?
#include?
#define?N?5
using?namespace?std;

typedef?struct?student
{
????int?num;
????string?name;
????float?MathGrade;
????float?EnglishGrade;
????float?Total;
????student?*next;
}student*linklist;

void?Create_linklist（linklist?&h）
{
????linklist?pq;
????int?numm;
????string?na;
????int?Math;
????int?English;
????h?=?new?student（）;
????p?=?h;
????cout<<“請(qǐng)輸入學(xué)號(hào)，姓名，數(shù)學(xué)成績(jī)，英語(yǔ)成績(jī)，輸入0結(jié)束.“<
????while（cin>>numm?&&?numm!=0）
????{
????????cin>>na>>Math>>English;
????????q=new?student（）;
????????q->num?=?numm;
????????q->name?=?na;
????????q->MathGrade?=?Math;
????????q->EnglishGrade?=?English;

????????p->next?=?q;
????????p?=?q;
????}

????p->Total=p->MathGrade+p->EnglishGrade;
????p->next?=?NULL;

????p?=?h->next;
}

void?Display（linklist?h）
{
????linklist?p;
????p?=?h->next;

????ofstream?mycout（“C:\\Users\\學(xué)生成績(jī)信息.txt“）;
????while（p）
????{
????????cout<<“學(xué)號(hào)：“<num<name<MathGrade<EnglishGrade<????????mycout<<“學(xué)生成績(jī)信息“<num<name<MathGrade<EnglishGrade<????????p?=?p->next;
????}
????mycout.close（）;
}

void?Count（linklist?h）
{
????linklist?p;
????p?=?h->next;
????int?sum;
????while（p）
????{
????????sum?=?0;
????????sum?=?sum+p->MathGrade+p->EnglishGrade;
????????p->Total?=?sum;
????????cout<name<<“的總分是：“<Total<????????p?=?p->next;
????}
}

void?Score_sort（linklist?&h）
{
????linklist?pq;
????int?t;
????t=N;
????while（t--）
????{
????????p?=?h->next;
????????while（p?&&?p->next）
????????{
????????????if（p->Totalnext->Total）
????????????{
????????????????q?=?new?student（）;
????????????????q->num?=?p->num;
????????????????q->name?=?p->name;
????????????????q->MathGrade?=?p->MathGrade;
????????????????q->EnglishGrade?=?p->EnglishGrade;
????????????????q->Total?=?p->Total;

????????????????p->num?=?p->next->num;
????????????????p->name?=?p->next->name;
????????????????p->MathGrade?=?p->next->MathGrade;
????????????????p->EnglishGrade?=?p->next->EnglishGrade;
????????????????p->Total?=?p->next->Total;

????????????????p->next->num?=?q->num;
????????????????p->next->name?=?q->name;
????????????????p->next->MathGrade?=?q->MathGrade;
????????????????p->next->EnglishGrade?=?q->EnglishGrade;
????????????????p->next->Total?=?q->Total;
????????????}
????????????p?=?p->next;
????????}
????}
????cout<<“總分由高到低的順序?yàn)椋骸?????p=h->next;
????while（p）
????{
????????cout<<“學(xué)號(hào)：“<num<<“?姓名：“<name<<“?數(shù)學(xué)成績(jī)：“<MathGrade<<“?英語(yǔ)成績(jī)：“<EnglishGrade<<“總分為：“<Total<????????p=p->next;
????}
}

void?Num_Search（linklist?h）
{
????int?number;
????cout<<“請(qǐng)輸入要查找的學(xué)號(hào)：“;
????cin>>number;
????linklist?p?=?h->next;
????while（p）
????{
????????if（p->num?==?number）
????????{